Connect to Exchange Online by using remote PowerShell. For more information, see Connect to Exchange Online using Remote PowerShell.Then, do the following: Determine the value of the ExchangeGUID property of the mail-enabled user in Exchange Online.

You usually won't need to know the name of your Exchange server. If you do, contact the people who gave you the Exchange email address and ask them for the name of the Exchange server. When you set up a mobile device, the AutoDiscover feature will find the name of your Exchange server and mailbox, and configure Outlook for you.

Symptoms. When you try to access Calendar by using Microsoft Teams, there can be a performance issue that's caused by an incorrect EWS URL and failures can occur randomly.

When you receive this warning message, you can click Continue to accept the warning.However, the warning may reappear the next time that Autodiscover runs. Cause. This issue occurs in Outlook 2016 for Mac version 15.9 and later versions when Outlook performs an Autodiscover operation and tries to connect to a service endpoint whose expected name is not present on the server's Secure Sockets ...

Symptoms. When you try to access Calendar by using Microsoft Teams, there can be a performance issue that's caused by an incorrect EWS URL and failures can occur randomly.

In the source forest, remove the existing availability address space: remove-AvailabilityAddressSpace <ID of the AvailabilityAddressSpace of Target domain>

Verify whether Auto-detect server is On.Lync tries to determine your Lync server based on your sign-in address. If it can't detect your Lync server, you may have to turn off Auto-detect server and specify the Lync server manually. If Auto-detect server is turned on but you still can’t sign in, try manually entering the internal and external discovery addresses.

Hotfix update for Microsoft Exchange Server 2019 and 2016 was released on April 23, 2024. It includes fixes for non-security issues and introduces new features. These fixes and features will also be included in later cumulative updates for Exchange Server 2019.

nslookup set type=SRV _autodiscover._tcp.SMTPDomain.com . In the following example, the Outlook client can locate the Autodiscover service by using the A record for the Autodiscover URL as described in step 3 in the previous table:

Start Registry Editor. In Windows Vista, click Start, type regedit in the Start Search box, and then press ENTER. If you are prompted for an administrator password or for confirmation, type the password, or click Continue.